The VALVE,LIFT-CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C SEAT, bonnet_type: INSIDE SCREW, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, offset_distance: 0.515 INCHES IN, connection_style: GASKET SEAL (BOSS) ALL ENDS. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-971-3567, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL COMP 440C SEAT |
| bonnet_type | INSIDE SCREW |
| thread_class | 3B ALL ENDS |
| connection_type | THREADED INTERNAL BOSS ALL ENDS |
| offset_distance | 0.515 INCHES IN |
| connection_style | GASKET SEAL (BOSS) ALL ENDS |
| thread_direction | RIGHT-HAND ALL ENDS |
| mounting_position | HORIZONTAL |
| operating_pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| disk_loading_method | SPRING |
| flow_control_device | POPPET |
| nominal_thread_size | 0.437 INCHES ALL ENDS IN |
| NSN | 4820-00-971-3567 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 44-C,COND A FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| THREAD CLASS | 3B ALL ENDS |
| DISK LOADING METHOD | SPRING |
| VALVE OPERATION METHOD | AUTOMATIC |
| OFFSET DISTANCE | 0.515 INCHES IN |
| CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| RENEWABLE SEAT RING TYPE | PRESSED-IN |
| FLOW CONTROL DEVICE | POPPET |